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Mpi computing guide CST STUDIO SUITETM MPI Computing Guide Contents Introduction Nomenclature Terms Technical Requirements Interconnection Network Network Technology Name Resolution Unique Network Hardware Requirements Daemon Service User Account Operatin

CST STUDIO SUITETM MPI Computing Guide Contents Introduction Nomenclature Terms Technical Requirements Interconnection Network Network Technology Name Resolution Unique Network Hardware Requirements Daemon Service User Account Operating System Supported Solvers and Features Installation of CST STUDIO SUITE on a Cluster System Installation of MPI Frontend Node Installation on Windows Installation on Linux Installation of MPI Client Node Installation on Windows Installation on Linux Testing your Installation Starting MPI Simulations Starting MPI Simulations in Interactive Mode Starting MPI Simulations from Command Line Updating Your Cluster MPI Frontend Node Windows MPI Client Nodes Windows or Linux MPI Frontend Node Linux MPI Client Nodes Linux Licensing Troubleshooting No Connection to MPI Nodes No More TCP Connections Possible January C Introduction The term ? MPI Computing ? describes a software parallelization approach for cluster systems i e computers connected via a fast interconnection network and used as a single ? supercomputer ? A computational task like an EM simulation is divided into several parts and those parts are handled by the machines in the cluster in parallel Typically the parts are not completely independend and thus the di ?erent computers need to exchange data via the interconnection network and additionally have to be synchronized at certain points For this purpose the so-called ? Message Passing Interface ? MPI which describes a programming interface has become a de facto standard and because of its importance this type of parallel computing is often refered to as ? MPI Computing ? This manual contains an overview of the MPI Computing capabilities of CST STUDIO SUITETM as well as detailed installation instructions which help you to properly install and set up parallel simulations on your cluster system Please do not hesitate to contact us in case of any problems during the setup process or during the simulations itself In such a case please send detailed information about the problem you are facing to info cst com Nomenclature The following section explains the nomenclature used in this document command Commands you have to enter on a command prompt either cmd on MS Windows R or your favorite shell on Linux typeset using typewriter fonts Within commands the sections you should replace according to your environment are enclosed in ? ? For example ? ? should be replaced by the directory where you have installed CST STUDIO SUITETM e g ? c Program Files CST STUDIO SUITE ? Those icons indicate that the following section of the text applies only to a certain operating system MS Windows R Linux January C Terms The following section contains the de ?nition of some important terms needed to understand the rest of the manual Cluster Node Computers connected via a fast interconnection network and used as a single ? supercomputer ? An arbitrary computer in your cluster system MPI Frontend Node MPI Client Node The cluster node on which the simulation is started using the CST front end CST DESIGN ENVIRONMENTTM A cluster node which takes part in an CST MPI simulation An